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INDI Library v1.9.5 Released (08 Mar 2022)

Bi-monthly INDI Library released with new drivers and bug fixes.

Powered USB Hubs

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Replied by Ewan Poole on topic Powered USB Hubs

I use FITFORT 7 in 1 hub (i have found interesting сomparative artile about usb hubs here www.bestadvisers.co.uk/usb-hubs). The hub is plugged into the Stellarmate, other devices into the hub. I must admitt that is very handy that FITFORT have even SD port for SD and a separate one for microSD cards
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Last edit: 2 years 2 months ago by Ewan Poole.
2 years 2 months ago #50214

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Replied by Jim S. on topic Powered USB Hubs

This hub works very well. The only drawback is that it is a USB2 hub. It runs via a 12V battery and has ESD protection onboard:

www.amazon.com/StarTech-com-4-Port-Indus...e%2Caps%2C181&sr=8-7
Celestron CGX, QSI683 Astrodon Gen 2 E series LRGB, Ha, OIII, ES102CF, ZWO-ASI178MC, 60mm guide scope, Pegasus Focus Cube 2, Feather Touch Focuser.
1 year 11 months ago #55164

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Replied by Magnus Larsson on topic Powered USB Hubs

Hi!

Yes, I agree, that hub woks very well and runs on 12V which I find makes it easier. StarTech also has a range of other similar ones. I now use a 7 port USB 2-hub from them. Works very well too!!

Magnus

Celestron C11, Skywatcher 100 ED Pro
Losmandy G11
Atik 383L+, ASI294
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1 year 11 months ago #55167

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Replied by Euripides on topic Re:Powered USB Hubs

Hello! I need also a powered hub for my setup but it needs to be powered directly from a power bank (TalentCell 12V/6000mAh). I saw this one

StarTech.com 7 Port USB 3.0 Hub – Up To 5 Gbps – 7 x USB – Universal Multi Port USB Extender for Your Desktop – USB Powered (ST7300USB3B)
by DirectfromStarTech
Learn more: www.amazon.co.uk/dp/B00L07AAZM/ref=cm_sw..._mt_dp_I9xCFbG8WNVYF

Do you think that will be possible?


Sent from my iPad using Tapatalk
1 year 7 months ago #60771

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Replied by Giles on topic Powered USB Hubs


I also have that one, it is OK, but the uplink port is one of those that easily becomes disconnected. I have everything in a self contained box, with cable ties on everything to prevent any movement. But power-wise (12V), and operability have been fine. Just don't expect it to run good if you hang it off your USB3 cables.

I'm using Astroberry btw, but I doubt it makes a difference.
__
I blog my progress: www.coochey.net
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1 year 7 months ago #60774

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Replied by Euripides on topic Powered USB Hubs

+1 for the TP-LINK UH700 7-PORT USB 3.0 HUB works like a charm with my TalentCell Rechargeable 36W 12V/6000mAh 5V/12000mAh

DSLR, GuideCamera, External USB WiFi antenna attached to Hub and Hub attached to RPI4 (powered from another source).
Last edit: 1 year 6 months ago by Euripides.
1 year 6 months ago #61964

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Replied by Danny on topic Powered USB Hubs

Hello folks,

i wanna use an unpowered USB Hub on a powered USB Hub, does anyone know if this works with Stellarmate / RPI4?

It would look something like this:

File Attachment:


The unpowered USB Hub i already use works great. It is this one: Anker 4-Port USB 3.0 Hub, Ultra-Slim Data USB Hub
Plugged in at the moment ASI120MM - ZWO EAF - DSLR

And the powered Hub i wanna buy ist the TP-Link UH720 7-Port USB 3.0 Hub with 2 Exclusive 2.4 A Charging Ports

And does anyone know if an SSD works at temperatures down to -10°C / 14°F?

Regards

Danny
Pentaflex Newton 150/750
Skywatcher 9x50 with ZWO ASI120MM Mini
iOptron CEM25P
GPU aplanatic coma corrector
Canon EOS 650D(a) ; Canon EOS 6D ; Canon EOS 450D(a)
ZWO EAF motofocus
Raspberry Pi4 4GB with Stellarmate OS
1 year 4 months ago #65904

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Replied by Jerry Black on topic Powered USB Hubs

From recent experience, I can confirm that my Samsung T5 1TB SSD works down to at least -8.5 C.
120 MM Skywatcher Esprit on Celestron CGX, ZWO ASI 224MC guiding, Pegasus FocusCube v2+PPBA
Nikon Z7 8256 x 5504, 35.9 x 23.9mm 4.34 um. Triad Ultra Quad NB Filter
1) Odroid-N2 Ubuntu-mate 20.04 2) StellarMate RPI4 8G
The good, the bad, the ugly at sciencedowneast.no-ip.ca/zenphoto/
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1 year 4 months ago #65926

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Replied by Doug S on topic Powered USB Hubs

FWIW, I use Crucial SSDs and they work fine in cold temps (-12 C in the last few days):
Crucial BX500 120GB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT120BX500SSD1Z
RASA11, Celestron CGX-L, ASI183mc Pro, 60mm guider + ASI290mm mini, ASI EAF focuser, PPB, Rpi4-4Gb+SSD, Powered USB3 hub, hardwire Ethernet.
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1 year 4 months ago #65927

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Replied by Ken Kelso on topic Powered USB Hubs

Not sure if it has already been mentioned but an important factor when choosing a hub is that the cable used to connect the Pi USB to the hub to carry the data should ONLY have the 2 data and the Ground wires connected. Otherwise a possibly badly regulated supply goes straight onto the Pi's bus. A list of tested hubs can be found here:

elinux.org/RPi_Powered_USB_Hubs

Alternately you can just cut the red power lead.

Ken
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1 year 4 months ago #65934

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Replied by Giles on topic Powered USB Hubs

I will just mention here that going with an unpowered hub is, for me, a recipe for issues.
I dont have data to back up that up, it is a "Just don't do it" thing with me.
__
I blog my progress: www.coochey.net
Last edit: 1 year 4 months ago by Giles. Reason: Auto correct issue
1 year 4 months ago #65936

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Replied by Danny on topic Powered USB Hubs


Nice to hear that I also have a 2.5 "Crucial SSD MX500 250GB

I never had problems with my unpowered Anker 4 Port USB Hub. Only the ASI120MM needs power and that is also supplied by the RPI. But I want to add a WiFi USB stick and a USB SSD that doesn't work with a unpowered USB hub only.
My Mount is connected directly to a USB2 Port on the RPI

At the moment I have 3 cables that go up to the telescope. DSLR power, ZWO focuser and dew straps power (Y Cable) and my USB hub.

I don't need to supply the RPI with power via the USB hub, but if I can, why not?

I can also mount the powered USB hub directly on the telescope with a 3-way distributor for power, but then I would also have to mount the SSD on the telescope, which would mean additional weight. I'm pretty close to the photographic limit of my mount.

Regards

Danny
Pentaflex Newton 150/750
Skywatcher 9x50 with ZWO ASI120MM Mini
iOptron CEM25P
GPU aplanatic coma corrector
Canon EOS 650D(a) ; Canon EOS 6D ; Canon EOS 450D(a)
ZWO EAF motofocus
Raspberry Pi4 4GB with Stellarmate OS
1 year 4 months ago #65941

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